Ribbed lighting diffuser with end cap



FIG. 1 is a top view of an embodiment of a ribbed lighting diffuser with end cap;

FIG. 2 is a bottom view of the embodiment of FIG. 1;

FIG. 3 is a side view of the embodiment of FIG. 1; the opposite side is a mirror image thereof; and,

FIG. 4 is a side view of the embodiment of FIG. 1; the opposite side is a mirror image thereof. 

The ornamental design for a ribbed lighting diffuser with end cap, as shown and described. 